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Condition: Stroke
Therapy: Stem Cell Therapy

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Total 2351 results found since Jan 2013.

miR-145 Regulates Diabetes-Bone Marrow Stromal Cell-Induced Neurorestorative Effects in Diabetes Stroke Rats
In rats with type 1 diabetes (T1DM), the therapeutic effects and underlying mechanisms of action of stroke treatment were compared between bone-marrow stromal cells (BMSCs) derived from T1DM rats (DM-BMSCs) and BMSCs derived from normal rats (Nor-BMSCs). The novel role of microRNA-145 (miR-145) in mediating DM-BMSC treatment-induced benefits was also investigated. T1DM rats (n = 8 per group) underwent 2 hours of middle cerebral artery occlusion (MCAo) and were treated 24 hours later with the one of the following (5 x 106 cells administered i.v.): (a) phosphate-buffered saline (PBS); (b) Nor-BMSCs; (c) DM-BMSCs; (d) DM-BMSC...
Source: Stem Cells Translational Medicine - November 16, 2016 Category: Stem Cells Authors: Cui, C., Ye, X., Chopp, M., Venkat, P., Zacharek, A., Yan, T., Ning, R., Yu, P., Cui, G., Chen, J. Tags: Mesenchymal Stem Cells, Cell-Based Drug Development, Screening, and Toxicology Source Type: research

Targeting antioxidant enzyme expression as a therapeutic strategy for ischemic stroke
Publication date: Available online 30 December 2016 Source:Neurochemistry International Author(s): Stephanie M. Davis, Keith R. Pennypacker During ischemic stroke, neurons and glia are subjected to damage during the acute and neuroinflammatory phases of injury. Production of reactive oxygen species (ROS) from calcium dysregulation in neural cells and the invasion of activated immune cells are responsible for stroke-induced neurodegeneration. Scientists have failed thus far to identify antioxidant-based drugs that can enhance neural cell survival and improve recovery after stroke. However, several groups have demonstrated ...
Source: Neurochemistry International - December 30, 2016 Category: Neuroscience Source Type: research

ZL006 promotes migration and differentiation of transplanted neural stem cells in male rats after stroke
In this study, we transplanted exogenous NSCs into the ipsilateral hemisphere of male rats in combination with ZL006 treatment after ischemic stroke. We show that ZL006 treatment facilitates the migration of transplanted NSCs into the ischemia‐injured area and promotes neuronal differentiation of these cells, which is not due to a direct effect of ZL006 on exogenous NSCs but is associated with increased phosphorylation of cAMP response element–binding protein (CREB) in neurons and favorable microenvironment. Moreover, improved functional outcome in the ZL006‐treated group was also found. Taken together, our data indi...
Source: Journal of Neuroscience Research - May 17, 2017 Category: Neuroscience Authors: Dong ‐Liang Wang, Xiao‐Dan Qian, Yu‐Hui Lin, Bin‐Bin Tian, Hai‐Ying Liang, Lei Chang, Hai‐Yin Wu, Dong‐Ya Zhu, Chun‐Xia Luo Tags: RESEARCH ARTICLE Source Type: research

Monocyte depletion early after stroke promotes neurogenesis from endogenous neural stem cells in adult brain.
Abstract Ischemic stroke, caused by middle cerebral artery occlusion, leads to long-lasting formation of new striatal neurons from neural stem/progenitor cells (NSPCs) in the subventricular zone (SVZ) of adult rodents. Concomitantly with this neurogenic response, SVZ exhibits activation of resident microglia and infiltrating monocytes. Here we show that depletion of circulating monocytes, using the anti-CCR2 antibody MC-21 during the first week after stroke, enhances striatal neurogenesis at one week post-insult, most likely by increasing short-term survival of the newly formed neuroblasts in the SVZ and adjacent ...
Source: Experimental Neurology - July 23, 2017 Category: Neurology Authors: Laterza C, Wattananit S, Uoshima N, Ge R, Tornero D, Monni E, Lindvall O, Kokaia Z Tags: Exp Neurol Source Type: research

Neuroprotective effect of secreted factors from human adipose stem cells in a rat stroke model.
Conclusions Our results suggest that RFs, selected from hASC-CM, may exert a neuroprotective effect in an ischemic stroke rat model that is comparable to the neuroprotective effect of full hASC-CM. The therapeutic effects of the RFs may be mediated by an anti-inflammatory mechanism and cell apoptosis inhibition. Hence, treatment with RFs can be considered a feasible substitute for stem cell therapy after stroke. PMID: 28948857 [PubMed - as supplied by publisher]
Source: Neurological Research - September 28, 2017 Category: Neurology Tags: Neurol Res Source Type: research

Randomized Assessment of the Safety and Efficacy of Intra-Arterial Infusion of Autologous Stem Cells in Subacute Ischemic Stroke INTERVENTIONAL
CONCLUSIONS: Intra-arterial infusion of stem cells can be carried out safely in the subacute stage of ischemic stroke. Improved clinical outcomes were observed with intra-arterial stem cell therapy; however, studies with larger cohorts are needed to validate the results.
Source: American Journal of Neuroradiology - May 15, 2018 Category: Radiology Authors: Bhatia, V., Gupta, V., Khurana, D., Sharma, R. R., Khandelwal, N. Tags: INTERVENTIONAL Source Type: research

Engineered stem cell mimics to enhance stroke recovery.
Abstract Currently, no medical therapies exist to augment stroke recovery. Stem cells are an intriguing treatment option being evaluated, but cell-based therapies have several challenges including developing a stable cell product with long term reproducibility. Since much of the improvement observed from cellular therapeutics is believed to result from trophic factors the stem cells release over time, biomaterials are well-positioned to deliver these important molecules in a similar fashion. Here we show that essential trophic factors secreted from stem cells can be effectively released from a multi-component hydr...
Source: Biomaterials - June 13, 2018 Category: Materials Science Authors: George PM, Oh B, Dewi R, Hua T, Cai L, Levinson A, Liang X, Krajina BA, Bliss TM, Heilshorn SC, Steinberg GK Tags: Biomaterials Source Type: research

The combination of mannitol and temozolomide increases the effectiveness of stem cell treatment in a chronic stroke model
Discussion The combination drug treatment of mannitol and temozolomide allowed for the efficient delivery of hUC-MSC–derived microvesicles into the brain in a chronic stroke rat model. This attenuated behavioral deficits, likely by improving neural regeneration and angiogenesis. Thus, combination drug treatment of mannitol and temozolomide could be a novel therapeutic option for patients with chronic ischemic stroke.
Source: Cytotherapy - June 22, 2018 Category: Cytology Source Type: research

Mesenchymal Stem Cells Therapy in Stroke: A Systematic Review of Literature in Pre-Clinical and Clinical Research.
Abstract Exogenous stem cell therapy (SCT) has been recognized recently as a promising neuroregenerative strategy to augment recovery in stroke survivors. Mesenchymal stem cells (MSCs) are the primary source of stem cells used in the majority of both pre-clinical and clinical studies in stroke. In the absence of evidence-based guidelines on the use of SCT in stroke patients, understanding the progress of MSC research across published studies will assist researchers and clinicians in better achieving success in translating research. We conducted a systematic review on published literature using MSCs in both pre-cli...
Source: Cell Transplantation - October 22, 2018 Category: Cytology Authors: Zheng H, Zhang B, Chhatbar PY, Dong Y, Alawieh A, Lowe F, Hu X, Feng W Tags: Cell Transplant Source Type: research

Therapeutic Potential of Human Turbinate-Derived Mesenchymal Stem Cells in Experimental Acute Ischemic Stroke.
CONCLUSION: hTMSCs could improve functional recovery following ischemic stroke, of which efficacy was similar to AdMSCs. Although hTMSCs showed comparable infarct size and survival of grafted MSCs, transplantation of hTMSCs could upregulate subgranular neurogenesis with no impact on ectopically migrating newborn neurons. PMID: 30396262 [PubMed]
Source: International Neurourology Journal - November 8, 2018 Category: Urology & Nephrology Tags: Int Neurourol J Source Type: research

Biohybrids of scaffolding hyaluronic acid biomaterials plus adipose stem cells home local neural stem and endothelial cells: Implications for reconstruction of brain lesions after stroke
AbstractEndogenous neurogenesis in stroke is insufficient to replace the lost brain tissue, largely due to the lack of a proper biological structure to let new cells dwell in the damaged area. We hypothesized that scaffolds made of hyaluronic acid (HA) biomaterials (BM) could provide a suitable environment to home not only new neurons, but also vessels, glia and neurofilaments. Further, the addition of exogenous cells, such as adipose stem cells (ASC) could increase this effect. Athymic mice were randomly assigned to a one of four group: stroke alone, stroke and implantation of BM, stroke and implantation of BM with ASC, a...
Source: Journal of Biomedical Materials Research Part B: Applied Biomaterials - October 11, 2018 Category: Materials Science Authors: Leyre Sanchez ‐Rojas, Ulises Gómez‐Pinedo, María Soledad Benito‐Martin, Gonzalo León‐Espinosa, Fernando Rascón‐Ramirez, Cristina Lendinez, Cristina Martínez‐Ramos, Jorge Matías‐Guiu, Manuel Monleón Pradas, Juan A. Barcia Tags: Original Research Report Source Type: research

Matched-Sibling Stem Cell Transplantation and Stroke in Children With SCA
Stroke is one of the most devastating complications of sickle cell anemia (SCA), and risk of stroke starts very early in life. Before screening techniques were available, 11% of children with homozygous SCA had ischemic stroke by their 20th birthday. Although most children with SCA will have neurologic recovery after stroke, approximately one-third will have long-term neurologic sequelae, including motor impairment. Moreover, children with SCA who have had a stroke often have neurocognitive impairment and difficulties with academic performance.
Source: JAMA - January 22, 2019 Category: General Medicine Source Type: research

Neurogenesis in adult human brain after hemorrhage and ischemic stroke.
CONCLUSIONS: Hypoxia belongs to pathomechanic factors responsible for ischemic stroke, which can induce neurogenesis. However, hypoxia along with ischemia and other factors implicated in ischemic stroke, such as the patient's age or duration of ischemia can have a decisive influence on the decrease in the density of transcriptionally active cells in this pathologic process. PMID: 30786666 [PubMed - in process]
Source: Folia Neuropathologica - February 24, 2019 Category: Neurology Tags: Folia Neuropathol Source Type: research